Home / 439,903.32-607,563.90-296,414.28

Finding the Fourth Proportional to 439,903.32, 607,563.90 and 296,414.28

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Solution

The fourth proportional to 439,903.32, 607,563.90 and 296,414.28 is: 409,386.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,903.32 : 607,563.90 = 296,414.28 : x
  2. Step 2: Convert to fraction form
    439,903.32/607,563.90 = 296,414.28/x
  3. Step 3: Cross multiply
    439,903.32x = 607,563.90 × 296,414.28
  4. Step 4: Simplify right side
    439,903.32x = 180,090,615,972.49
  5. Step 5: Solve for x
    x = 180,090,615,972.49/439,903.32
  6. Step 6: Final answer
    x = 409,386.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.